It can develop in breast cancer patients, for example, who require surgery to remove lymph nodes from under the arm. The immune response might also be less efficient if the shot is administered in an arm without lymph nodes or one that has impaired lymphatic drainage. If you received the COVID vaccine in the arm in the last six weeks, your radiologist will expect to see lymph node swelling on the same side that you received the vaccine. These sites also have “quiet rooms” where thigh injections can be performed discreetly, he added, but “it should only be done when medically necessary.”What if I am a candidate for a thigh vaccine but I already had the vaccine injected in my arm? When a vaccine enters the arm or thigh muscle, it gets carried into a nearby lymph node, she added.

Source: bd News24 May 07, 2021 13:07 UTC